Nastro abrasivo 3M 341D panno 1-1/8 in x 41 in 80 grana " 50 cinghie "
3M coated 341D sanding belt uses aluminum oxide as the abrasive material. 3M incorporates this aluminum oxide material into the sanding belt forming a grit of 80. This particular 3M sanding belt is 1-1/8 in wide by 41 in long.